Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chuc danh » chuc nganh, thuc hanh, chuc nang
chua xang » chua nang, chuc nang, chu bang
cong tinh » cong trinh, cong vinh, long tinh
tang cua » mang cua, hang cua, tang luan
toan cau » toan cao, toan ban, toan tap
hang ca » hang va, nang cao, hang tai

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)) - hanh ((tang cua) or (hang ca)) thong cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chua xang)) - hanh ((tang cua) OR (hang ca)) thong cong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (chua xang)) - hanh ((tang cua) or (hang ca)) thong cong tinh toan cau*.