Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
hanh vai » hanh vi, hanh va, hanh tai
sang tai » hang tai, sang tao, tang tai
tai khoa » da khoa, noi khoa
vai cau » va cau, van cau, vai cac
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach kem
sach ty » sach y, sach tu, sach thu
hieu ve » hieu van
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) OR (sach ty)) sang tai khoa. ((hieu ve) or (hieu va)) cam xuc va hanh vai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) sang tai khoa. ((hieu ve) OR (hieu va)) cam xuc va hanh vai cau treo*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach ty)) sang tai khoa. ((hieu ve) or (hieu va)) cam xuc va hanh vai cau treo*".