Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
quan nhung » qua nhung, cua nhung, luan chung
quang toan » quang tran, quang doan, quang hoan
quang tuan » quang thanh, quan luan, quang cua
tieu danh » tiep danh, thien danh, dieu hanh
dieu danh » dieu hanh, dia danh, dien anh
hanh van » thanh van, khanh van, hanh va
van quan » 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: theo ((tieu danh) or (dieu danh)) - hanh van quan nhung cong ((quang toan) OR (quang tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu danh) OR (dieu danh)) - hanh van quan nhung cong ((quang toan) OR (quang tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu danh) or (dieu danh)) - hanh van quan nhung cong ((quang toan) OR (quang tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu danh) or (dieu danh)) - hanh van quan nhung cong ((quang toan) OR (quang tuan)) cau*.