Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va tinh » may tinh
huu tre » huu tri, cuu tre, huu them
ve cho » ve co, ve che, de cho
cho xu » chao xu, choi xu, cho xa
va huu » vu huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang xa hoi. hieu ve cho xu ((va tinh) or (van dich)) va huu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. hieu ve cho xu ((va tinh) OR (van dich)) va huu tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. hieu ve cho xu ((va tinh) or (van dich)) va huu tre*.