Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cam tuc » cam xuc, nam thuc, dam thuc
va hang » van hang, va nang, va lang
cua tre » cua te, cuu tre, dua tren
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
cam tu » cam thu, nam tu, dam tu

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 xa hoi. hieu va ((cam tuc) OR (cam tu)) va hang va ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky lang xa hoi. hieu va ((cam tuc) OR (cam tu)) va hang va ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky lang xa hoi. hieu va ((cam tuc) OR (cam tu)) va hang va ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: tu sai ky lang xa hoi. hieu va ((cam tuc) OR (cam tu)) va hang va ((cua tre) or (cua triet))*.