Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
tinh voi » trinh voi, tinh doi, binh voi
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
cam tuc » cam xuc, cam tu, nam thuc
va tinh » may tinh
cua tre » cuu tre, cua triet, dua tren
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (su sach)) ky nang xa hoi. hieu qua cam tuc va tinh voi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (su sach)) ky nang xa hoi. hieu qua cam tuc va tinh voi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (su sach)) ky nang xa hoi. hieu qua cam tuc va tinh voi ((cua tre) or (cua te))*.