Perhaps you should try some spelling variations:
thuat bai » thuat bao, thuyet bai, thuat xay
dua tren » dung tren
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
bai ky » ban ky, sai ky, bac ky
va cam » va cac, va cao, va cai
xuc va » duc va, tuc va, luc va
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: thuat bai ky nang xa hoi. lieu ((va cam) or (va cham)) xuc va hanh va ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat bai ky nang xa hoi. lieu ((va cam) OR (va cham)) xuc va hanh va ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: thuat bai ky nang xa hoi. lieu ((va cam) or (va cham)) xuc va hanh va ((dua tren) or (cua te))*.