Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
van dung » van dong, xay dung, tin dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
ap dung » xay dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - thanh trung ((ap dung) OR (van dung)) cong tan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - thanh trung ((ap dung) OR (van dung)) cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - thanh trung ((ap dung) OR (van dung)) cong tan toan cao*.