Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
hanh dai » hanh tai, hanh dao, vanh dai
ban hanh » ban hang
nganh ky » nganh y, nganh xay, hanh ky
cao duc » dao duc, cao suc, giao duc
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va, hieu van
cam duc » cam xuc, pham duc, nam duoc
cua te » cua tu

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 ky ((nang xa) OR (nang x)) hoi. hieu ve ((cam duc) or (cao duc)) ban hanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh ky ((nang xa) OR (nang x)) hoi. hieu ve ((cam duc) OR (cao duc)) ban hanh dai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc nganh ky ((nang xa) OR (nang x)) hoi. hieu ve ((cam duc) or (cao duc)) ban hanh dai cua te".
• Adding a wildcard symbol may retrieve word variants: hoc nganh ky ((nang xa) OR (nang x)) hoi. hieu ve ((cam duc) or (cao duc)) ban hanh dai cua te*.