Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
cau treo » cau theo, cau tren, cau trieu
tang van » hoang van, trong van, tang luan
dang van » hoang van, hang va
tinh hai » tinh thai, tinh chat, trinh han
va tinh » may tinh
cao xuc » cam xuc, cao duc, cao suc
qua cao » qua cac, qua ca, qua cai
sai ky » sac ky
xuc va » duc va, tuc va, luc va
tu sai » tu bai, tu san, tu cai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky ((tang van) OR (dang van)) hoc. hieu qua cao xuc va tinh hai ((cau treo) or (cau triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky ((tang van) OR (dang van)) hoc. hieu qua cao xuc va tinh hai ((cau treo) OR (cau triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky ((tang van) OR (dang van)) hoc. hieu qua cao xuc va tinh hai ((cau treo) or (cau triet))".
• Adding a wildcard symbol may retrieve word variants: tu sai ky ((tang van) OR (dang van)) hoc. hieu qua cao xuc va tinh hai ((cau treo) or (cau triet))*.