Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, thanh phan
thanh tranh » thanh tran, thanh trang, thanh trinh
chap thuong » chan thuong, phan thuong, pham thuong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
hoa cao » hoc cao, hoa co, hoa cac

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 xanh - ((thanh tranh) OR (thanh thanh)) chap thuong ((cong tan) or (cong san)) hoa cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((thanh tranh) OR (thanh thanh)) chap thuong ((cong tan) OR (cong san)) hoa cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((thanh tranh) OR (thanh thanh)) chap thuong ((cong tan) or (cong san)) hoa cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thanh tranh) OR (thanh thanh)) chap thuong ((cong tan) or (cong san)) hoa cao*.