Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van tuan » van quan, van ban, anh tuan
cua tre » cua te, cuu tre, dua tren
tuan ve » tuan le, quan ve, luan ve
xuc van » duc van, luc van, vuc van
dau xuc » dau xac, dau xua, dau nuoc
sach ty » sach y, sach thu, xach tay
hang xa » hoang xa, hang va, hang ca
sach tu » sach thu, cach tu, sach uu
qua dau » qua da, qua bau, qua dan

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) OR (sach tu)) hang xa hoi. hieu qua dau xuc van tuan ve ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach tu)) hang xa hoi. hieu qua dau xuc van tuan ve ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ty) OR (sach tu)) hang xa hoi. hieu qua dau xuc van tuan ve ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) OR (sach tu)) hang xa hoi. hieu qua dau xuc van tuan ve ((cua tre) or (cua triet))*.