Perhaps you should try some spelling variations:
than thuong » thanh thuong, phan thuong, han thuong
manh tuong » manh cuong, minh tuong, anh huong
tham thong » pham thuong, thoai thong, toan thong
hien xanh » hien hanh, hien nhanh, chieu xanh
manh tung » manh hung, thanh tung
cong tinh » cong trinh, cong vinh, long tinh
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 - ((manh tuong) or (manh tung)) ((tham thong) OR (than thuong)) cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((manh tuong) OR (manh tung)) ((tham thong) OR (than thuong)) cong tinh toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - ((manh tuong) or (manh tung)) ((tham thong) OR (than thuong)) cong tinh toan ban*".