Perhaps you should try some spelling variations:
thieu quang » thien quan, trien quang, hieu quan
hieu quang » hieu quan, hieu qua, diep quang
duong cong » dung cong, luong cong, duong trong
hanh manh » hanh mang, lanh manh, hoang manh
dong cong » dung cong, dang cong, cong cong
manh cua » doanh cua, ban cua
quy toan » huy toan, quy tuan, quyet toan
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: hoi ((hieu quang) or (thieu quang)) - hanh manh cua ((dong cong) OR (duong cong)) quy toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((hieu quang) OR (thieu quang)) - hanh manh cua ((dong cong) OR (duong cong)) quy toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi ((hieu quang) or (thieu quang)) - hanh manh cua ((dong cong) OR (duong cong)) quy toan cao".
• Adding a wildcard symbol may retrieve word variants: hoi ((hieu quang) or (thieu quang)) - hanh manh cua ((dong cong) OR (duong cong)) quy toan cao*.