Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cam tuc » cam xuc, cam tu, nam thuc
va danh » va dinh, va hanh, dia danh
dinh su » dinh so, hinh su, dinh cu
va cam » va cham, va cac, va cao
va dan » ca dan, va dao, va dau
x hoi » xa hoi, o hoi, 5 hoi

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 ty nang ((x hoi) or (x ho)). lieu va cam tuc ((va danh) OR (va dan)) dinh su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ((x hoi) OR (x ho)). lieu va cam tuc ((va danh) OR (va dan)) dinh su triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang ((x hoi) or (x ho)). lieu va cam tuc ((va danh) OR (va dan)) dinh su triet*".