Perhaps you should try some spelling variations:
dat tren » dat trong, dua tren
bach ky » bac ky
nang xa » nang x, lang xa, nang ma
qua bao » qua ban, qua bau, qua lao
bao luc » bao thuc
va hanh » van hanh, va thanh, ban hanh
luc va » duc va, tuc va, loc va
vi dat » voi dat, vi dai, va dat

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ky nang xa hoi. hieu qua bao luc va hanh vi dat tren~.
• Adding a wildcard symbol may retrieve word variants: vu bach ky nang xa hoi. hieu qua bao luc va hanh vi dat tren*.