Perhaps you should try some spelling variations:
luong sang » luong san, luong hang, luong nang
hoc thieu » toc thieu
canh tinh » hanh tinh, manh tinh, canh tranh
van duong » van dong, van dung, van phong
sang than » cang thang, dang thanh, sang tao
van hung » van dung, manh hung, van dong
than cao » toan cao, thai cao, than cap

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) or (hoc hien)) xanh - canh tinh ((van hung) OR (van duong)) luong sang than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - canh tinh ((van hung) OR (van duong)) luong sang than cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) xanh - canh tinh ((van hung) OR (van duong)) luong sang than cao*".