Perhaps you should try some spelling variations:
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
van cac » van hac, van cau, van bac
cac xuc » cam xuc, cac nuoc, chat xuc
ly nang » ky nang, ly hang, ly vang
y nang » ky nang, v nang, may nang
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 ((y nang) OR (ly nang)) xa hoi. hieu van cac xuc ((van hanh) or (ban hanh)) vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ly nang)) xa hoi. hieu van cac xuc ((van hanh) OR (ban hanh)) vai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (ly nang)) xa hoi. hieu van cac xuc ((van hanh) or (ban hanh)) vai cua te*".