Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
thanh vi » thanh va, thanh ve, nhanh vi
nang xa » nang x, lang xa, nang ma
qua cao » qua cac, qua ca, qua cai
cao suc » cao su, cao duc
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
suc va » duc va, tuc va, luc va

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 qua cao suc va ((thanh vi) or (hanh vi)) ((cua tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. hieu qua cao suc va ((thanh vi) OR (hanh vi)) ((cua tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. hieu qua cao suc va ((thanh vi) or (hanh vi)) ((cua tre) or (cau tren))*.