Perhaps you should try some spelling variations:
hang cong » dang cong, hang nong, bang cong
manh toan » thanh toan, anh tuan, tinh toan
hoc dieu » hoc thieu, hoc hien
dieu dan » dieu danh, dien dan, dieu can
chinh va » chinh ta, chinh tai, hanh va
dan chan » dan gian, dan ca, van chat
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu dan - hanh chinh va hang cong ((manh toan) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu dan - hanh chinh va hang cong ((manh toan) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc dieu dan - hanh chinh va hang cong ((manh toan) or (dan chan)) cau*.