Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
canh tran » canh tranh, hanh trang, banh trang
cong tan » cong tac, cong san, cong ty
phan cac » phan dau, phan lap, phan van
tran va » tran van, trang va, tranh va

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 - canh tran va nhung ((cong tan) or (cong thanh)) ((phan cac) OR (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tran va nhung ((cong tan) OR (cong thanh)) ((phan cac) OR (nhan cach)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tran va nhung ((cong tan) or (cong thanh)) ((phan cac) OR (nhan cach))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tran va nhung ((cong tan) or (cong thanh)) ((phan cac) OR (nhan cach))*.