Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
cong vinh » cong trinh, trong vinh, cong viec
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
tang cua » hang cua, tang luan, thong cua
mang cua » manh cua, dung cua, ban cua
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 chu xanh - hanh ((tang cua) OR (mang cua)) nhung ((cong thanh) or (cong vinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh ((tang cua) OR (mang cua)) nhung ((cong thanh) OR (cong vinh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh ((tang cua) OR (mang cua)) nhung ((cong thanh) or (cong vinh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh ((tang cua) OR (mang cua)) nhung ((cong thanh) or (cong vinh)) toan cau*.