Perhaps you should try some spelling variations:
thu dan » thuc dan, thu dang, thu ban
va cham » va chat, va tham
danh va » doanh va, hanh va, anh va
va danh » va dinh, va dan, va hanh
cua tu » cua tuc, cua su, cua cu
ve cac » va cac, vien cac
dan ky » van ky
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu dan ky nang o hoi. hieu ((va cham) or (ve cac)) duc va danh va ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu dan ky nang o hoi. hieu ((va cham) OR (ve cac)) duc va danh va ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: thu dan ky nang o hoi. hieu ((va cham) or (ve cac)) duc va danh va ((cua te) or (cua tu))*.