Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
te sach » toc sach
nang xa » nang x, lang xa, nang ma
van cau » van dau, van hau, van chat
cau luc » cau truc, cau phuc
luc ban » duc ban, cuc ban, luc bat
hanh de » hanh ve, hanh kem
cua tre » cua te, cuu tre, cua triet
ca tren » cau tren, cu tren, la tren
y nang » ky nang, ly nang, v 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 xa hoi. hieu van cau luc ban hanh de ((cua tre) or (ca tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu van cau luc ban hanh de ((cua tre) OR (ca tren)).
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu van cau luc ban hanh de ((cua tre) or (ca tren))*.