Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
hanh dai » hanh tai, hanh dao, vanh dai
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
xuc va » tuc va, luc va, xac va
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 y nang xa hoi. hieu viec cua ((xuc va) or (duc va)) hanh dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu viec cua ((xuc va) OR (duc va)) hanh dai cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu viec cua ((xuc va) or (duc va)) hanh dai cua tu*.