Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
va cam » va cham, va cac, va cao
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 hoach)) ky nang xa hoi. hieu va cam duc ((ban hanh) or (va thanh)) vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu hoach)) ky nang xa hoi. hieu va cam duc ((ban hanh) OR (va thanh)) vai cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu hoach)) ky nang xa hoi. hieu va cam duc ((ban hanh) or (va thanh)) vai cua te*.