Perhaps you should try some spelling variations:
chon loc » cho hoc
hieu van » hieu va, thien van, lieu va
cham loc » cham soc, hau loc, cam lo
te sach » toc sach
doi cua » dai cua, hoi cua
dan doi » dan hoi, dan toi, van doi
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
cham o » cham soc
va dan » ca dan, va dao, va dau

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 hoi. hieu van ((((cham loc) OR (chon loc))) or (cham o)) va dan doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu van ((((cham loc) OR (chon loc))) OR (cham o)) va dan doi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. hieu van ((((cham loc) OR (chon loc))) or (cham o)) va dan doi cua tre*".