Perhaps you should try some spelling variations:
nghiep thanh » nghiep chan, nghiep minh, nghiep luan
thieu sang » chieu sang, thieu khang, thieu quang
hanh trong » hanh trang, anh trong, hinh trong
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
cong san » cong tac
san toan » van toan, dan toan, manh 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 thieu sang - ((hanh trong) or (hanh trinh)) nghiep thanh cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((hanh trong) OR (hanh trinh)) nghiep thanh cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((hanh trong) or (hanh trinh)) nghiep thanh cong san toan cau*.