Perhaps you should try some spelling variations:
thuat tach » thuat sach, thuat mach, thuat tac
nhanh lang » nhanh quang, nhanh thang, nhan dang
nhung cong » dung cong, thong cong, hang cong
cong tan » cong tac, cong san, cong thanh
lang va » lang van, hang va, lang ha
tan van » tran van, tang van, luan van
thien » thieu, tien, hien

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thien thuat tach - nhanh lang va nhung cong tan van ban~.
• Adding a wildcard symbol may retrieve word variants: thien thuat tach - nhanh lang va nhung cong tan van ban*.