Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh manh » hanh mang, lanh manh, hoang manh
cua thong » cua thuong, cua khong, cua tong
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
manh cua » doanh cua, ban cua
dan than » dan chan, ban than, van than

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sang - hanh manh cua thong cong ((dan than) or (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sang - hanh manh cua thong cong ((dan than) OR (tinh toan)) cao*.