Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
hieu van » hieu va, thien van, lieu va
hanh san » thanh san, khach san, thanh son
ban hanh » ban hang
cua tre » cua te, cuu tre, cua triet
xuc ban » duc ban, cuc ban, quoc ban
te sach » toc sach
ly vang » ly hang, ly van, ly quang
ly nang » ky nang, ly hang, ly quang
van cam » van nam, van lam, van cau

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 ((ly nang) OR (ly vang)) xa hoi. hieu van cam xuc ban hanh san ((cua tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly nang) OR (ly vang)) xa hoi. hieu van cam xuc ban hanh san ((cua tre) OR (cau treo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ly nang) OR (ly vang)) xa hoi. hieu van cam xuc ban hanh san ((cua tre) or (cau treo))".
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) OR (ly vang)) xa hoi. hieu van cam xuc ban hanh san ((cua tre) or (cau treo))*.