Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
nam thuc » nam thuoc, am thuc, nam thu
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
nam xuc » cam xuc, nam xua, nam duoc
van van » van ban, tan van, san van
van tai » von tai, van tuan
y nang » ky nang, ly nang, v nang
cuc te » cua te, cuc thue, cuc tieu

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 (vu khach)) y nang xa hoi. hieu qua ((nam xuc) or (nam thuc)) van van tai cuc te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (vu khach)) y nang xa hoi. hieu qua ((nam xuc) OR (nam thuc)) van van tai cuc te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu khach)) y nang xa hoi. hieu qua ((nam xuc) or (nam thuc)) van van tai cuc te*.