Perhaps you should try some spelling variations:
ban hang » ngan hang
tang van » dang van, hoang van, trong van
tu sach » thu sach, su sach, te sach
cua tre » cuu tre, cua triet, dua tren
hang vi » hang va, hanh vi, hang di
xuc ban » duc ban, cuc ban, quoc ban
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ve cam » ve cham, ve cac, va cam
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 ty ((nang ma) or (tang van)) hoi. hieu ve cam xuc ban hang vi ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang ma) OR (tang van)) hoi. hieu ve cam xuc ban hang vi ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty ((nang ma) or (tang van)) hoi. hieu ve cam xuc ban hang vi ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang ma) or (tang van)) hoi. hieu ve cam xuc ban hang vi ((cua tre) OR (cua te))*.