Perhaps you should try some spelling variations:
manh khong » manh phong, nganh khong, manh hung
xanh khong » nganh khong, anh thong, benh khong
kieu tinh » lieu tinh, trieu tinh, diep tinh
nang cong » nang song, dang cong, bang cong
van thanh » van tuan
ban thanh » ban hanh, ban hang
doc kieu » doc hieu, cac kieu, doc viet

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc kieu tinh - ((manh khong) OR (xanh khong)) chuc nang cong ((van thanh) or (ban thanh)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc kieu tinh - ((manh khong) OR (xanh khong)) chuc nang cong ((van thanh) OR (ban thanh)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc kieu tinh - ((manh khong) OR (xanh khong)) chuc nang cong ((van thanh) or (ban thanh)) ban".
• Adding a wildcard symbol may retrieve word variants: doc kieu tinh - ((manh khong) OR (xanh khong)) chuc nang cong ((van thanh) or (ban thanh)) ban*.