Perhaps you should try some spelling variations:
toan hanh » toan thanh, toan anh, toan doanh
tran hanh » tran thanh, tran khanh, tran manh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (thu hoach)) ky nang xa hoi. hieu ve cam duc ((toan hanh) or (tran hanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu hoach)) ky nang xa hoi. hieu ve cam duc ((toan hanh) OR (tran hanh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu hoach)) ky nang xa hoi. hieu ve cam duc ((toan hanh) or (tran hanh)) vi cua tre*.