Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
canh tran » canh tranh, hanh trang, banh trang
cong san » cong tac
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau
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 san) or (cong thanh)) ((phan cac) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tran va nhung ((cong san) OR (cong thanh)) ((phan cac) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tran va nhung ((cong san) or (cong thanh)) ((phan cac) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tran va nhung ((cong san) or (cong thanh)) ((phan cac) OR (phan dau))*.