Perhaps you should try some spelling variations:
tieu sang » chieu sang, tieu dung, tiem nang
chinh tai » chinh tri
hang cong » dang cong, hang nong, bang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
chinh va » hanh va, tinh va, sinh va
chinh ta » chinh tri
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 tieu sang - hanh ((chinh va) or (((chinh ta) OR (chinh tai)))) hang cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - hanh ((chinh va) OR (((chinh ta) OR (chinh tai)))) hang cong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sang - hanh ((chinh va) or (((chinh ta) OR (chinh tai)))) hang cong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - hanh ((chinh va) or (((chinh ta) OR (chinh tai)))) hang cong manh toan cao*.