Perhaps you should try some spelling variations:
dang xay » dang van, van xay
cau treo » cau theo, cau tren, cau triet
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
van hac » van hoc, van ha, van hai
sach lo » sach dao, sach doi, sach hoi
so sach » so sanh, bo sach, co sach
lang xa » lang ha, lang van
thi van » thi lan, thi hanh, thi nang
hac tu » hoc tu, tac tu, cac tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach lo ((lang xa) or (dang xay)) hoi. thi van hac tu va hanh vi ((cua tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach lo ((lang xa) OR (dang xay)) hoi. thi van hac tu va hanh vi ((cua tre) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: so sach lo ((lang xa) or (dang xay)) hoi. thi van hac tu va hanh vi ((cua tre) or (cau treo))*.