Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, chay dien
cau tren » cu tren, dau tren, ca tren
hanh tai » thanh tai, hang tai, han tai
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky nang x hoi. hieu ve ((cau luc) or (cam xuc)) va hanh tai ((chay tren) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang x hoi. hieu ve ((cau luc) OR (cam xuc)) va hanh tai ((chay tren) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu can ky nang x hoi. hieu ve ((cau luc) or (cam xuc)) va hanh tai ((chay tren) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: tu can ky nang x hoi. hieu ve ((cau luc) or (cam xuc)) va hanh tai ((chay tren) OR (cau tren))*.