Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
thu sach » thuat sach, thuoc sach, thu hoach
viec cac » vien cac, viec cua, viec lam
tai cua » thai cua, tai cuc, tri cua
han tai » hang tai, nhan tai, van tai
cac luc » cau luc, coc luc, cac nuoc
tu sach » su sach, te sach, tu cach
v nang » va nang, vu nang, van nang
luc va » duc va, tuc va, loc va
va han » va phan, van han, va hanh
y nang » ky nang, ly 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) or (thu sach)) ((y nang) or (v nang)) xa hoi. hieu viec cac luc va han tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ((y nang) OR (v nang)) xa hoi. hieu viec cac luc va han tai cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ((y nang) or (v nang)) xa hoi. hieu viec cac luc va han tai cua te*.