Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nganh cong » thanh cong
nhung cong » dung cong, thong cong, hang cong
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((nganh cong) or (nhanh chong)) va nhung cong tan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((nganh cong) OR (nhanh chong)) va nhung cong tan tran ban*.