Perhaps you should try some spelling variations:
nhieu tang » hieu lang, nhiet nang
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
cap trong » ca trong, cad trong, ap trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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

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