Perhaps you should try some spelling variations:
viec cac » viec cua, viec lam, viec va
vien cac » vien bach, vien dai, vien da
hanh hai » thanh hai, nhanh hai, hang hai
hai cua » thai cua, dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
luc va » duc va, tuc va, loc va
vu san » vu ban
va san » va ban
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: ((vu san) OR (va san)) ky dang xa hoi. hieu ((viec cac) or (vien cac)) luc va hanh hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu san) OR (va san)) ky dang xa hoi. hieu ((viec cac) OR (vien cac)) luc va hanh hai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu san) OR (va san)) ky dang xa hoi. hieu ((viec cac) or (vien cac)) luc va hanh hai cua te*".