Perhaps you should try some spelling variations:
hanh gian » thanh gian, thanh giang, manh giang
gian cua » gian xu, ban cua
hoc sac » hoc sach, hoc cac, hoc mac
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » hieu qua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc 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 sac ky nang xa hoi. ((((hieu ve) or (hieu va))) or (lieu va)) cam xuc va hanh gian cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sac ky nang xa hoi. ((((hieu ve) OR (hieu va))) OR (lieu va)) cam xuc va hanh gian cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc sac ky nang xa hoi. ((((hieu ve) or (hieu va))) or (lieu va)) cam xuc va hanh gian cua tre*.