Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
vu sach » su sach
qua cam » qua cham, qua cac, qua ca
cam tuc » cam xuc, cam tu, nam thuc
han tai » hang tai, nhan tai, van tai
cuc tre » duc tre, cua tre, cuu tre
tuc va » thuc va, truc va, tuc xa
va han » va phan, van han, va hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((vu sach) or (vu bach))) or (vu khach)) ky nang x ho. hieu qua cam tuc va han tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((vu sach) OR (vu bach))) OR (vu khach)) ky nang x ho. hieu qua cam tuc va han tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: ((((vu sach) or (vu bach))) or (vu khach)) ky nang x ho. hieu qua cam tuc va han tai cuc tre*.