Perhaps you should try some spelling variations:
sach tru » sach truc, sach thu, sach tu
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
cua tre » cuu tre, cua triet, dua tren
cuc ban » cua ban, cac ban, cuu ban
cam cuc » cam xuc, cham cuu, pham cuc
van cam » van nam, van lam, van cau
thi van » thi lan, thi hanh, thi nang
nang xa » lang xa, nang ma, mang xa
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 tru ((nang xa) or (nang x)) hoi. thi van cam cuc ban hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tru ((nang xa) OR (nang x)) hoi. thi van cam cuc ban hanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sach tru ((nang xa) or (nang x)) hoi. thi van cam cuc ban hanh vi ((cua tre) or (cua te))*.