Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tac, cac nuoc
cac bac » cac bai, cac ban, cac cach
dan tai » van tai, dan thi, han tai
cuc tre » duc tre, cua tre, cuu tre
y nang » ky nang, ly nang, v nang
cac tu » cac thu, cach tu, cac du
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. hieu va ((((cac tuc) or (cac tu))) or (cac bac)) va dan tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu va ((((cac tuc) OR (cac tu))) OR (cac bac)) va dan tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu va ((((cac tuc) or (cac tu))) or (cac bac)) va dan tai cuc tre*.