Perhaps you should try some spelling variations:
lang van » dang van, hoang van, giang van
tang van » dang van, hoang van, trong van
huu phuc » huu thuc, huu phach, huu duc
tu sach » thu sach, su sach, te sach
qua huu » qua huy, qua phuc, qua thuc
vu hanh » vu khanh, vu thanh, du hanh
vi cua » vai cua, di 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 _ ((lang van) OR (tang van)) hoc. hieu qua huu phuc vu hanh vi cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach _ ((lang van) OR (tang van)) hoc. hieu qua huu phuc vu hanh vi cua tu".
• Adding a wildcard symbol may retrieve word variants: tu sach _ ((lang van) OR (tang van)) hoc. hieu qua huu phuc vu hanh vi cua tu*.