Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
van hanh » van thanh, ban hanh, van anh
tham xuc » tham nuoc, tham thuc, pham duc
ca tren » cau tren, cu tren, la tren
xuc van » duc van, luc van, vuc van
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
xac ky » cac ky, bac ky
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((xac ky) OR (sac ky)) nang ma hoi. hieu va tham xuc van hanh vi ((cau treo) or (ca tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((xac ky) OR (sac ky)) nang ma hoi. hieu va tham xuc van hanh vi ((cau treo) OR (ca tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((xac ky) OR (sac ky)) nang ma hoi. hieu va tham xuc van hanh vi ((cau treo) or (ca tren))".
• Adding a wildcard symbol may retrieve word variants: su ((xac ky) OR (sac ky)) nang ma hoi. hieu va tham xuc van hanh vi ((cau treo) or (ca tren))*.