Perhaps you should try some spelling variations:
cham loc » cham soc, chon loc, cham o
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
va hanh » van hanh, va thanh, va danh
doi cua » dai cua, hoi cua, dong cua
te sach » toc sach
loc va » hoc va, luc va
di cua » dai cua, de cua, do cua

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 y ((nang xa) or (lang xa)) hoi. hieu van cham loc va hanh ((di cua) OR (doi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (lang xa)) hoi. hieu van cham loc va hanh ((di cua) OR (doi cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang xa) or (lang xa)) hoi. hieu van cham loc va hanh ((di cua) OR (doi cua)) triet".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) or (lang xa)) hoi. hieu van cham loc va hanh ((di cua) OR (doi cua)) triet*.