Perhaps you should try some spelling variations:
hanh trinh » canh tranh
thieu xanh » chieu xanh, hieu manh, thien danh
quan thong » quang thong, quan trong, xuan thong
thong cong » trong cong, tong cong, thong thong
thien anh » thien danh, tien anh, thien thanh
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 ((thieu xanh) or (thien anh)) - ((hanh trinh) OR (hanh chinh)) quan thong cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - ((hanh trinh) OR (hanh chinh)) quan thong cong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - ((hanh trinh) OR (hanh chinh)) quan thong cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - ((hanh trinh) OR (hanh chinh)) quan thong cong tinh toan ban*.