Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
trang xa » trang va, trang ha, trong xa
de trang » ke trang, de tang, le trang
hieu va » lieu va
sach de » cach de, sach dao, sach dat
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
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: tu sach de trang xa hoi. ((hieu va) or (hieu qua)) cham xuc van hanh vi ((cua te) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach de trang xa hoi. ((hieu va) OR (hieu qua)) cham xuc van hanh vi ((cua te) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: tu sach de trang xa hoi. ((hieu va) or (hieu qua)) cham xuc van hanh vi ((cua te) or (cau tren))*.