Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh trinh » canh tranh, hanh chinh
hien xanh » hien hanh, hien nhanh, chieu xanh
trinh han » trinh quan
bang cong » bang song, hang cong, dung cong
dang cong » dung cong
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 han ((((bang cong) or (dang cong))) or (thong cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh han ((((bang cong) OR (dang cong))) OR (thong cong)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh han ((((bang cong) or (dang cong))) or (thong cong)) manh toan ban*.