Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh ky » nganh y, nganh xay, hanh ky
hieu van » hieu va, thien van, lieu va
cau tren » cu tren, dau tren, ca tren
nang xa » nang x, lang xa, nang ma
van hau » van ha, van hai, van dau
danh vi » hanh vi, dinh vi, danh va
danh di » danh du, xanh di, danh dien
luc va » tuc va, loc va

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 hoi. hieu van hau ((luc va) or (duc va)) ((danh vi) or (danh di)) cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh ky nang xa hoi. hieu van hau ((luc va) OR (duc va)) ((danh vi) OR (danh di)) cau tren.
• Adding a wildcard symbol may retrieve word variants: hoc nganh ky nang xa hoi. hieu van hau ((luc va) or (duc va)) ((danh vi) or (danh di)) cau tren*.