Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
qua cai » qua hai, qua cac, qua ca
cai xuc » cam xuc, chat xuc
xuc van » duc van, luc van, vuc van
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: su sach y ((nang ma) or (lang van)) hoi. hieu qua cai xuc van hanh vi ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang ma) OR (lang van)) hoi. hieu qua cai xuc van hanh vi ((cua te) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y ((nang ma) or (lang van)) hoi. hieu qua cai xuc van hanh vi ((cua te) OR (cua tu))*".