Perhaps you should try some spelling variations:
te sach » toc sach
nang co » nang cao, nang doc, nang noi
hieu su » hieu sau, tieu su, hieu so
su cham » su pham, tu cham, vu cham
dau cua » day cua, cau cua, dan cua
y nang » ky nang, ly nang, v nang
co hoi » co hoc, co loi
xuc va » tuc va, luc va, xac va

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 co hoi. hieu su cham ((xuc va) or (duc va)) dan ((dau cua) or (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang co hoi. hieu su cham ((xuc va) OR (duc va)) dan ((dau cua) OR (dai cua)) te.
• Adding a wildcard symbol may retrieve word variants: te sach y nang co hoi. hieu su cham ((xuc va) or (duc va)) dan ((dau cua) or (dai cua)) te*.