Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
hieu ve » hieu van
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
hanh ca » hanh cac, hanh cat, hanh cua
cua tre » cua te, cuu tre, cua triet
ca cua » co 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 ((sinh y) or (sinh ly)) nang xa hoi. ((hieu va) or (hieu ve)) cam duc va hanh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((sinh y) OR (sinh ly)) nang xa hoi. ((hieu va) OR (hieu ve)) cam duc va hanh ca cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc ((sinh y) or (sinh ly)) nang xa hoi. ((hieu va) or (hieu ve)) cam duc va hanh ca cua tre*.