Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
hieu ve » hieu va, hieu van
xa hanh » xa thanh, xa khanh, va hanh
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
cam tu » cam thu, nam tu, dam tu
tu xa » tu xay, tu va, te xa

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 nang x ho. hieu ve cam tu xa hanh va ((cau tren) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang x ho. hieu ve cam tu xa hanh va ((cau tren) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: te sac ky nang x ho. hieu ve cam tu xa hanh va ((cau tren) or (cua tre))*.