Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va danh, ban hanh
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
sang ma » tang ma, nang ma, sang tao
va cao » va cac, va co, va dao
di cua » dai cua, doi cua, de cua
cua tu » cua tuc, cua su, cua cu

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 y ((nang x) or (sang ma)) hoi. hieu va cao xuc ((va hanh) or (va thanh)) di cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang x) OR (sang ma)) hoi. hieu va cao xuc ((va hanh) OR (va thanh)) di cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang x) or (sang ma)) hoi. hieu va cao xuc ((va hanh) or (va thanh)) di cua tu*.