Perhaps you should try some spelling variations:
te sach » toc sach
dinh ca » dinh cac, dinh cua, dinh cao
ba dinh » va dinh, xac dinh, nam dinh
cac tuc » cac toc, cac tu, cac tac
hieu va » lieu va, hieu qua
ca cua » co cua
tuc ba » tuc bao, tuc xa, tuc va
cua te » cua tu
y nang » ky nang, ly nang, may nang
me hoi » le hoi
v nang » va nang, vu nang, van nang

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) or (v nang)) ((me hoi) or (ma hoa)). hieu va cac tuc ba dinh ca cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (v nang)) ((me hoi) OR (ma hoa)). hieu va cac tuc ba dinh ca cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (v nang)) ((me hoi) or (ma hoa)). hieu va cac tuc ba dinh ca cua te*.