Perhaps you should try some spelling variations:
vat thanh » dat thanh, gat thanh, tat thanh
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
qua bai » qua ban, qua hai, qua cai
bai cua » ban cua, dai cua, bai ca
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
vi cua » vai cua, di cua
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: ((su sach) or (thu hoach)) ((y nang) or (v nang)) xa hoi. hieu qua bai cua vat thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thu hoach)) ((y nang) OR (v nang)) xa hoi. hieu qua bai cua vat thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thu hoach)) ((y nang) or (v nang)) xa hoi. hieu qua bai cua vat thanh vi cua te*.