Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu va » hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
van hai » van ha, van chat, van phan
xuc va » duc va, tuc va, luc va
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 ky nang x ho. ((hieu va) or (lieu va)) cac xuc va ((van hai) OR (van hanh)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x ho. ((hieu va) OR (lieu va)) cac xuc va ((van hai) OR (van hanh)) cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x ho. ((hieu va) or (lieu va)) cac xuc va ((van hai) OR (van hanh)) cua te*".