Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
chieu sang » chieu sach, chieu xanh, nhieu tang
khong cong » khong cang, chong cong, khong con
thong cong » trong cong, tong cong, thong thong
hieu lang » hieu quang, nhieu tang, hieu van
trung cua » truong cua, trung tuan, trung cap
anh toan » manh toan, anh tuan, thanh 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)) - manh trung cua ((khong cong) or (thong cong)) anh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (hieu lang)) - manh trung cua ((khong cong) OR (thong cong)) anh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (hieu lang)) - manh trung cua ((khong cong) or (thong cong)) anh toan cau*.