Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van dinh » van minh, van dich, va dinh
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
va danh » va dinh, va dan, va hanh
va kinh » va tinh, qua kinh
so sai » so dai, so hai, do sai
sai ky » sac ky
hien » bien, vien, tien

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sai ky dang xa hoi. hieu van cam tuc ((va danh) or (((va kinh) or (van dinh)))) li hoc hien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sai ky dang xa hoi. hieu van cam tuc ((va danh) OR (((va kinh) OR (van dinh)))) li hoc hien.
• Adding a wildcard symbol may retrieve word variants: so sai ky dang xa hoi. hieu van cam tuc ((va danh) or (((va kinh) or (van dinh)))) li hoc hien*.