Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, hang cong, nhung don
thong cong » tong cong, thong thong, phong chong
hien xanh » hien hanh, hien nhanh, chieu xanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh trinh quan ((nhung cong) or (((thong cong) OR (trong cong)))) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh quan ((nhung cong) OR (((thong cong) OR (trong cong)))) manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh trinh quan ((nhung cong) or (((thong cong) OR (trong cong)))) manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh quan ((nhung cong) or (((thong cong) OR (trong cong)))) manh toan ban*.