Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
van chat » cao chat
hieu van » hieu va, thien van, lieu va
xuc cam » phuc cam
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
cua tre » cua te, cuu tre, cua triet
dan vi » doan vi, don vi, gan vi
dan va » doan va, dan ca, ban 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 y ((nang xa) or (lang xa)) hoi. hieu van chat xuc cam ((dan vi) or (dan va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang xa) OR (lang xa)) hoi. hieu van chat xuc cam ((dan vi) OR (dan va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach y ((nang xa) or (lang xa)) hoi. hieu van chat xuc cam ((dan vi) or (dan va)) cua tre*.