Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
sang ma » tang ma, sang tao, mang may
nang ma » tang ma, nang cao, mang may
ve cam » ve cham, ve cac, va cam
di cua » dai cua, doi cua, de 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 ma) or (sang ma)) hoi. hieu ve cam xuc ((va hanh) or (ban thanh)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang ma) OR (sang ma)) hoi. hieu ve cam xuc ((va hanh) OR (ban thanh)) di cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang ma) or (sang ma)) hoi. hieu ve cam xuc ((va hanh) or (ban thanh)) di cua te*.