Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
te sach » toc sach
va hanh » van hanh, va thanh, va danh
ty nang » ty xang, ty hang, ly nang
hieu ve » hieu va
hanh de » hanh ve, hanh kem
cau tuc » cau truc, cau tu, cau luc
de cua » le cua, te cua, dieu cua
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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) or (ky nang)) xa hoi. ((hieu ve) or (hieu van)) cau tuc va hanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty nang) OR (ky nang)) xa hoi. ((hieu ve) OR (hieu van)) cau tuc va hanh de cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ((ty nang) or (ky nang)) xa hoi. ((hieu ve) or (hieu van)) cau tuc va hanh de cua te*.