Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
cong thanh » dong thanh, cong trinh, cong tan
cong thai » cong hai, hong thai, cong tac
cac ngan » cac nganh, cac nhan, sach ngan
da nganh » cac nganh, cua nganh, nam nganh
khong he » khong khi, hong ha, khong _
hoc cac » hoc cao
thu da » thu dac, thu dai, thu dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( hoc cac ngan ((cong thai) or (cong thanh)) đong luc ) or ( thu da nganh khong he đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( hoc cac ngan ((cong thai) OR (cong thanh)) đong luc ) OR ( thu da nganh khong he đong luc )).
• Adding a wildcard symbol may retrieve word variants: (( hoc cac ngan ((cong thai) or (cong thanh)) đong luc ) or ( thu da nganh khong he đong luc ))*.