Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
luc van » luoc van, luu van, luc va
duc van » duc va, duc tan, duc manh
vai cua » dai cua, lai cua, bai cua
hai cua » thai cua, dai cua, hoi cua
vu van » tu van
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu van ky nang xa hoi. hieu ve cac ((luc van) OR (duc van)) hanh ((vai cua) or (hai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu van ky nang xa hoi. hieu ve cac ((luc van) OR (duc van)) hanh ((vai cua) OR (hai cua)) te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu van ky nang xa hoi. hieu ve cac ((luc van) OR (duc van)) hanh ((vai cua) or (hai cua)) te*".