Perhaps you should try some spelling variations:
cham loc » cham soc, chon loc, cham o
te sach » toc sach
nang xa » nang x, nang ma, mang xa
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
lang xa » lang ha, dang xay, lang van
hieu vu » hieu va, hieu su, dieu vu
hieu ve » hieu va, hieu van
di cua » dai cua, doi cua, de cua
loc va » hoc va, luc va
cua te » cua tu
sach v » sach va, sach y, sach 2

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach v ((nang xa) or (lang xa)) hoi. ((hieu vu) or (hieu ve)) cham loc va hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v ((nang xa) OR (lang xa)) hoi. ((hieu vu) OR (hieu ve)) cham loc va hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: te sach v ((nang xa) or (lang xa)) hoi. ((hieu vu) or (hieu ve)) cham loc va hanh di cua te*.