Perhaps you should try some spelling variations:
nhanh thanh » phan thanh, nhanh tinh
sach nganh » sach ngan, sach tranh, cac nganh
nganh cong » nhanh chong, thanh cong
cong thai » cong hai, hong thai, cong thanh
tu nhanh » tu nhan, tu hanh, tu thanh
cong khi » khong khi, co khi, cong ha
cong tac » cong ty
tu sach » thu sach, su sach, te sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu nhanh thanh ((cong khi) or (cong tac)) đong luc ) or ( tu sach nganh cong thai đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu nhanh thanh ((cong khi) OR (cong tac)) đong luc ) OR ( tu sach nganh cong thai đong luc )).
• Adding a wildcard symbol may retrieve word variants: (( tu nhanh thanh ((cong khi) or (cong tac)) đong luc ) or ( tu sach nganh cong thai đong luc ))*.