Perhaps you should try some spelling variations:
lai cua » dai cua, hai cua, lai chau
dan lai » dan loai, dan lap, dan lat
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, tu cach
ky dang » ky nang, ky danh
ky lang » ky nang, ky tang, tay lang
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
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) or (te sach)) ((ky lang) or (ky dang)) xa hoi. hieu va cam tuc va dan lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ((ky lang) OR (ky dang)) xa hoi. hieu va cam tuc va dan lai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ((ky lang) or (ky dang)) xa hoi. hieu va cam tuc va dan lai cua tre*.