Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
sinh trong » sinh truong, sinh trung, chinh trong
dinh trong » chinh trong, dinh thuong, dinh duong
tong cong » trong cong, cong cong, dung cong
cong tinh » cong trinh, cong vinh, long tinh
van tong » van thong, van trong, van tuong
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu quang - ((sinh trong) or (dinh trong)) van tong cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu quang - ((sinh trong) OR (dinh trong)) van tong cong tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: toc thieu quang - ((sinh trong) or (dinh trong)) van tong cong tinh toan ban*.