Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chua xang » chuc nang, chu bang, chua dong
chua nang » chuc nang, kha nang, cuu nang
tang luan » dung luan
cong tinh » cong trinh, cong vinh, long tinh
tang cua » mang cua, hang cua, thong 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: theo ((chua xang) OR (chua nang)) - hanh ((tang cua) or (tang luan)) thong cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chua nang)) - hanh ((tang cua) OR (tang luan)) thong cong tinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) OR (chua nang)) - hanh ((tang cua) or (tang luan)) thong cong tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) OR (chua nang)) - hanh ((tang cua) or (tang luan)) thong cong tinh toan cao*.