Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky nang xa hoi. hieu va tham ((xuc va) or (((tuc va) or (thuc dan)))) hanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang xa hoi. hieu va tham ((xuc va) OR (((tuc va) OR (thuc dan)))) hanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: tu can ky nang xa hoi. hieu va tham ((xuc va) or (((tuc va) or (thuc dan)))) hanh vi cua tu*.