Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
nhat quang » nhanh quang, pham quang, phan quang
chat quang » chat luong, pham quang
hanh minh » thanh minh, hinh minh, hanh tinh
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
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 - hanh minh ((nhat quang) OR (chat quang)) cong manh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu quang - hanh minh ((nhat quang) OR (chat quang)) cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: toc thieu quang - hanh minh ((nhat quang) OR (chat quang)) cong manh toan ban*.