Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
thanh tung » thanh cong
trinh cong » trinh dung
hoc thieu » toc thieu, hoc hien
qua trinh » qua kinh
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
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 thieu sang - ((thanh trung) or (thanh tung)) qua trinh cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((thanh trung) OR (thanh tung)) qua trinh cong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((thanh trung) or (thanh tung)) qua trinh cong manh toan cao*.