Perhaps you should try some spelling variations:
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va hanh » van hanh, va thanh, va danh
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc va
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu 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 ty nang xa hoi. hieu ve cau luc va hanh ((di cua) or (de cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu ve cau luc va hanh ((di cua) OR (de cua)) te.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu ve cau luc va hanh ((di cua) or (de cua)) te*.