Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cam luoc » cam xuc, tom luoc, cam lo
van hanh » ban hanh, van anh, van ban
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cua tre » cuu tre, cua triet, dua tren
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky lang xa hoi. hieu ve cam luoc ((van hanh) or (van thanh)) le ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. hieu ve cam luoc ((van hanh) OR (van thanh)) le ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky lang xa hoi. hieu ve cam luoc ((van hanh) or (van thanh)) le ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu ve cam luoc ((van hanh) or (van thanh)) le ((cua tre) OR (cua te))*.