Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
cham duc » pham duc, cham soc, pham duy
van cham » van chat, van tham, va cham
hieu van » hieu va, thien van, lieu va
lang ha » long ha
sach ky » sac ky, sach y, sach ty
lang xa » dang xay, lang van
va hanh » van hanh, va thanh, va danh
ca tren » cau tren, cu tren, la tren
te sach » toc sach

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 ky ((lang xa) OR (lang ha)) hoi. hieu van cham duc va hanh vi ((ca tren) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((lang xa) OR (lang ha)) hoi. hieu van cham duc va hanh vi ((ca tren) OR (cau treo))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((lang xa) OR (lang ha)) hoi. hieu van cham duc va hanh vi ((ca tren) or (cau treo))*".