Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
chieu sach » chinh sach, chiet tach, chieu sang
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
tang cua » hang cua, tang luan, thong cua
mang cua » manh cua, dung cua, ban cua
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: ho ((chieu sach) or (diep tinh)) - hanh ((tang cua) OR (mang cua)) khong cong vinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (diep tinh)) - hanh ((tang cua) OR (mang cua)) khong cong vinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (diep tinh)) - hanh ((tang cua) OR (mang cua)) khong cong vinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (diep tinh)) - hanh ((tang cua) OR (mang cua)) khong cong vinh toan cao*.