Perhaps you should try some spelling variations:
cac thuc » cach thuc, cac thu, can thuc
thuc dan » thuc hanh, hoc dan, thuc vat
dan hanh » dang hanh, dan khanh, dan thanh
hanh tai » thanh tai, hang tai, han tai
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cua tre » cua triet, dua tren, cua thep
cuu tre » cau tren, cau treo
su cac » tu cac, su cao, su can
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 cac ky nang xa hoi. hieu va cac thuc dan hanh tai ((((cua tre) or (cua te))) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang xa hoi. hieu va cac thuc dan hanh tai ((((cua tre) OR (cua te))) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su cac ky nang xa hoi. hieu va cac thuc dan hanh tai ((((cua tre) or (cua te))) or (cuu tre))*.