Perhaps you should try some spelling variations:
trong tuong » trong thuong, trong luong, tuong tuong
tuong luong » thuong luong, tuong duong, trong luong
chieu sang » chieu sach, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh trong » hanh trang, anh trong, hinh trong
luong cong » dung cong, trong cong, cong cong
hieu lang » hieu quang, nhieu tang, hieu van
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((chieu sang) OR (hieu lang))) or (chieu xanh)) - hanh trong tuong luong cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu sang) OR (hieu lang))) OR (chieu xanh)) - hanh trong tuong luong cong manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((chieu sang) OR (hieu lang))) or (chieu xanh)) - hanh trong tuong luong cong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu sang) OR (hieu lang))) or (chieu xanh)) - hanh trong tuong luong cong manh toan cau*.