Perhaps you should try some spelling variations:
thanh do » thanh de, thanh pho, thanh hoa
thanh di » thanh doi, thanh de, thanh dinh
vu khac » vu kham, vu khanh, bui khac
ty danh » ty doanh, ty anh, te danh
ky danh » ky anh, ky dang
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va, hieu van
cac loc » cac lop, cac toc, cac hoc
ve cac » va cac, vien cac
loc va » hoc va, luc va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khac ((ty danh) or (ky danh)) xay hoi. hieu ve cac loc va ((thanh di) or (thanh do)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khac ((ty danh) OR (ky danh)) xay hoi. hieu ve cac loc va ((thanh di) OR (thanh do)) cua te.
• Adding a wildcard symbol may retrieve word variants: vu khac ((ty danh) or (ky danh)) xay hoi. hieu ve cac loc va ((thanh di) or (thanh do)) cua te*.