Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
dua tren » dung tren
thanh vi » hanh vi, thanh va, thanh ve
cau tren » cu tren, dau tren, ca tren
cao xuc » cam xuc, cao suc, chat xuc
sach ty » sach y, sach tu, sach thu
cao duc » dao duc, cao suc, giao duc
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang

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