Perhaps you should try some spelling variations:
thanh truong » thanh thuong, thanh tung, thanh huong
thanh trung » thanh tung
hoc thieu » toc thieu
bang cong » dang cong, bang song, hang cong
can bang » cao bang, can ban, van ban
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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) or (hoc hien)) xanh - ((thanh truong) OR (thanh trung)) can bang cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - ((thanh truong) OR (thanh trung)) can bang cong tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) xanh - ((thanh truong) OR (thanh trung)) can bang cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) xanh - ((thanh truong) OR (thanh trung)) can bang cong tan toan cao*.