Perhaps you should try some spelling variations:
thanh tieng » hanh tieng, thanh tung, thanh vien
thanh tien » thanh vien, thanh nien, thang tien
hung trong » huong trong, dung trong, cung trong
doi chieu » doc hieu, doi chi, mot chieu
viet hung » viet huong, viet trung
trong dan » trong dang, trong san, trong tan
ho chieu » theo chieu, hoc thieu, mot chieu
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (ho chieu)) sach - ((thanh tieng) OR (thanh tien)) viet hung trong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sach - ((thanh tieng) OR (thanh tien)) viet hung trong dan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (ho chieu)) sach - ((thanh tieng) OR (thanh tien)) viet hung trong dan van ban".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) sach - ((thanh tieng) OR (thanh tien)) viet hung trong dan van ban*.