Perhaps you should try some spelling variations:
cao hoi » cau hoi, co hoi, cao hoc
va hanh » van hanh, va thanh, va danh
luu tre » luu tru, cuu tre, luy tre
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cai » va cai, ve tai, ve cau
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
vi luu » vi lua

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 cao hoi. hieu ((ve cai) or (ve cac)) tuc va hanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang cao hoi. hieu ((ve cai) OR (ve cac)) tuc va hanh vi luu tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang cao hoi. hieu ((ve cai) or (ve cac)) tuc va hanh vi luu tre*.