Perhaps you should try some spelling variations:
khich le » thinh le, dich le, tich le
van danh » van doanh, van anh, van hanh
khach ly » khanh ly, khao ly
cam tuc » cam xuc, cam tu, nam thuc
dau cua » dai cua, day cua, cau cua
tuc van » thuc van, truc van, tuc va
hieu va » lieu va, hieu qua
vang xa » lang xa, mang xa, ang xa
va cam » va cham, va cac, va cao
du cua » duy cua, dum cua, hu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((khach ly) or (khich le)) vang xa hoi. hieu va cam tuc van danh ((du cua) OR (dau cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((khach ly) OR (khich le)) vang xa hoi. hieu va cam tuc van danh ((du cua) OR (dau cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((khach ly) or (khich le)) vang xa hoi. hieu va cam tuc van danh ((du cua) OR (dau cua)) te".
• Adding a wildcard symbol may retrieve word variants: vu ((khach ly) or (khich le)) vang xa hoi. hieu va cam tuc van danh ((du cua) OR (dau cua)) te*.