Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh trinh » canh tranh, hanh chinh
hanh tinh » nhanh tinh, thanh tinh, canh tinh
cong tinh » cong trinh, cong vinh, long tinh
khao cuu » cham cuu, chao chu, kho cua
thai cua » than cua, tai cuc, tri 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: ((khao cuu) or (thai cua)) tinh - ((hanh tinh) OR (hanh trinh)) he thong cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((khao cuu) OR (thai cua)) tinh - ((hanh tinh) OR (hanh trinh)) he thong cong tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((khao cuu) or (thai cua)) tinh - ((hanh tinh) OR (hanh trinh)) he thong cong tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: ((khao cuu) or (thai cua)) tinh - ((hanh tinh) OR (hanh trinh)) he thong cong tinh toan cau*.