Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
tang van » dang van, hoang van, trong van
lang van » dang van, hoang van, giang van
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay
hieu va » lieu va, hieu qua
va pham » van pham, va phat, va phap
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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 ((tang van) or (((lang xa) or (lang van)))) hoi. hieu va pham duc va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((tang van) OR (((lang xa) OR (lang van)))) hoi. hieu va pham duc va thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((tang van) or (((lang xa) or (lang van)))) hoi. hieu va pham duc va thanh vai cua tre*.