Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
luc van » luoc van, luu van, vuc van
duc van » duc va, duc tan, duc manh
hanh de » hanh ve, hanh kem
te sai » te tai, te bai, te lai
sai ky » sac ky
va cau » van cau, va cac, va dau
luc va » duc va, tuc va, loc va
de cua » le cua, te cua, dieu cua
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: te sai ky nang xa hoi. hieu va cau ((((luc van) OR (luc va))) or (duc van)) hanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang xa hoi. hieu va cau ((((luc van) OR (luc va))) OR (duc van)) hanh de cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky nang xa hoi. hieu va cau ((((luc van) OR (luc va))) or (duc van)) hanh de cua te".
• Adding a wildcard symbol may retrieve word variants: te sai ky nang xa hoi. hieu va cau ((((luc van) OR (luc va))) or (duc van)) hanh de cua te*.