Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hoc nganh » hoc nhanh
nganh ly » nganh y, nganh ky, nganh xay
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac nuoc
cac tac » cac toc, cac bac, cac dac
va doan » va doanh, van doan, va dan
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nganh ly nang xa hoi. hieu ve ((cac tuc) or (cac tac)) va doan va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh ly nang xa hoi. hieu ve ((cac tuc) OR (cac tac)) va doan va cua triet.
• Adding a wildcard symbol may retrieve word variants: hoc nganh ly nang xa hoi. hieu ve ((cac tuc) or (cac tac)) va doan va cua triet*.