Perhaps you should try some spelling variations:
thanh trinh » hanh trinh, thanh tinh, thanh binh
trinh cua » tinh cua, trinh luat, trinh quan
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
nang xa » nang x, lang xa, nang ma
bao xuc » bao thuc
bao luc » bao thuc
cua tre » cua te, cuu tre, cua triet
su cac » su cao, su can, eu cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su cac) or (tu cac)) ky nang xa hoi. hieu van ((bao xuc) OR (bao luc)) va thanh trinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cac) OR (tu cac)) ky nang xa hoi. hieu van ((bao xuc) OR (bao luc)) va thanh trinh cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su cac) or (tu cac)) ky nang xa hoi. hieu van ((bao xuc) OR (bao luc)) va thanh trinh cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su cac) or (tu cac)) ky nang xa hoi. hieu van ((bao xuc) OR (bao luc)) va thanh trinh cua tre*.