Perhaps you should try some spelling variations:
thuoc cach » thuoc sach, thuc cach, truoc cach
hieu van » hieu va, thien van, lieu va
cau phuc » cau truc, chau phu, huu phuc
cach tu » cach thuc
han tai » hang tai, nhan tai, van tai
cua tre » cua te, cuu tre, cua triet
cau luc » cau truc
nang xa » nang x, lang xa, nang ma
tu nang » tru nang, tu nong, tu nano

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc cach tu nang xa hoi. hieu van ((cau luc) or (cau phuc)) va ((han tai) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc cach tu nang xa hoi. hieu van ((cau luc) OR (cau phuc)) va ((han tai) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: thuoc cach tu nang xa hoi. hieu van ((cau luc) or (cau phuc)) va ((han tai) or (hanh vi)) cua tre*.