Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh va » tranh van, trang va, trinh va
va thong » va thuong, va phuong, he thong
cong van » cong vang, song van, cong tan
cong san » cong tac
phan lap » phan dau
phan cac » nhan cach, phan dau, phan van

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