Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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