Perhaps you should try some spelling variations:
phuong cham » phuong phap, phuong thao
thieu xanh » chieu xanh, hieu manh, thien anh
thong cap » thong cac, trung cap, thong cua
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
dan hang » ban hang, van hang, dat hang
hang dau » hang va, hang tai

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 - thanh ((phuong cham) or (thong cap)) dang cong dan hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh ((phuong cham) OR (thong cap)) dang cong dan hang dau*.