Perhaps you should try some spelling variations:
van hanh » van thanh, van anh, van ban
ban hanh » ban hang
hieu van » hieu va, thien van, lieu va
doi cua » dai cua, hoi cua
cac xuc » cam xuc, cac nuoc, chat xuc
van cac » van hac, van cau, van bac
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
de cua » le cua, te cua, dieu cua
te sac » te sach, te cac, te san

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 sang ma hoi. hieu van cac xuc ((van hanh) or (ban hanh)) ((de cua) or (doi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky sang ma hoi. hieu van cac xuc ((van hanh) OR (ban hanh)) ((de cua) OR (doi cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky sang ma hoi. hieu van cac xuc ((van hanh) or (ban hanh)) ((de cua) or (doi cua)) tre*.