Perhaps you should try some spelling variations:
troi cua » tri cua, tro cua, hoi cua
hieu van » hieu va, thien van, lieu va
chon loc » cho hoc
te sach » toc sach
toi cuu » toi uu, toi chu, toi chuc
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
va dan » ca dan, va dao, va dau
cham o » cham soc

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