Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
thanh pha » thanh phan, thanh pham, thanh pho
hoc hieu » hoc thieu, hoc hien, doc hieu
tranh va » tranh van, trang va, trinh va
pha cau » phan cau, phap cau, pha cac
ung » cung
dung » dcung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - canh tranh va ((ung dung) or (thong cong)) thanh pha cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - canh tranh va ((ung dung) OR (thong cong)) thanh pha cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh tranh va ((ung dung) or (thong cong)) thanh pha cau*.