Perhaps you should try some spelling variations:
thoai thong » thoai trong, thong thong, toan thong
manh tuong » manh cuong, minh tuong, anh huong
tham thong » pham thuong, than thuong, toan thong
thong tinh » thuong tinh, thong tin, thong minh
hien xanh » hien hanh, hien nhanh, chieu xanh
manh tung » manh hung, thanh tung
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 (thoai thong)) thong 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 (thoai thong)) thong 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 (thoai thong)) thong tinh toan ban*".