Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat huu » pham huu
han hanh » ban hanh, van hanh, han danh
nang o » nang co, nang ho, nang ro
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu
o lai » o lao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (do sanh)) ky nang o lai. hieu van chat huu han hanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (do sanh)) ky nang o lai. hieu van chat huu han hanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (do sanh)) ky nang o lai. hieu van chat huu han hanh vi cua tu*.