Perhaps you should try some spelling variations:
thi hang » thi hanh, thi nang, thi hong
ban hang » ngan hang
tu sach » thu sach, su sach, te sach
ty nang » ty xang, ty hang, ly nang
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
luc ban » duc ban, cuc ban, luc bat
ve cam » ve cham, ve cac, va cam
va cua » va chua, via cua, ca cua
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) or (ky nang))) or (thi hang)) xa hoi. hieu ve cam luc ban hang va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((((ty nang) OR (ky nang))) OR (thi hang)) xa hoi. hieu ve cam luc ban hang va cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ((((ty nang) or (ky nang))) or (thi hang)) xa hoi. hieu ve cam luc ban hang va cua te*.