Perhaps you should try some spelling variations:
thanh manh » thanh anh, thanh minh, thanh thanh
thanh lanh » thanh anh, thanh lan, thanh thanh
thong cong » trong cong, tong cong, thong thong
chuc danh » chuc nganh, thuc hanh, chuc nang
chua xang » chua nang, chuc nang, chu bang
cua thong » cua thuong, cua khong, cua tong
cong vang » cong lang, cong quang, cong ngang
vang toan » van toan, dang toan, quang toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc danh) or (chua xang)) - ((thanh manh) OR (thanh lanh)) cua thong cong vang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chua xang)) - ((thanh manh) OR (thanh lanh)) cua thong cong vang toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chuc danh) or (chua xang)) - ((thanh manh) OR (thanh lanh)) cua thong cong vang toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (chua xang)) - ((thanh manh) OR (thanh lanh)) cua thong cong vang toan cau*.