Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
hanh tai » thanh tai, hang tai, han tai
mai khoi » mai khoa, tai khoa, cac khoi
cau treo » cau theo, cau triet, cau trieu
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
tu sai » tu bai, tu san, tu cai
xuc va » duc va, tuc va, luc va
ve cam » ve cham, ve cac, va cam

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 lang) OR (ky tang)) mai khoi. hieu ve cam xuc va hanh tai ((cau treo) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ((ky lang) OR (ky tang)) mai khoi. hieu ve cam xuc va hanh tai ((cau treo) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ((ky lang) OR (ky tang)) mai khoi. hieu ve cam xuc va hanh tai ((cau treo) or (cau tren))".
• Adding a wildcard symbol may retrieve word variants: tu sai ((ky lang) OR (ky tang)) mai khoi. hieu ve cam xuc va hanh tai ((cau treo) or (cau tren))*.