Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
qua cach » qua cac, quan sach, quat canh
vat hanh » vat thanh, van hanh, va hanh
nang xa » nang x, lang xa, nang ma
luu tre » luu tru, cuu tre, luy tre
su xac » pu xac
su cac » tu cac, su can, eu cac
su cao » cu cao, vu cao, su co
vi luu » vi lua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su xac) or (((su cac) or (su cao)))) ky nang xa hoi. hieu qua cach thuc vat hanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su xac) OR (((su cac) OR (su cao)))) ky nang xa hoi. hieu qua cach thuc vat hanh vi luu tre.
• Adding a wildcard symbol may retrieve word variants: ((su xac) or (((su cac) or (su cao)))) ky nang xa hoi. hieu qua cach thuc vat hanh vi luu tre*.