Perhaps you should try some spelling variations:
thuat xung » thuat dung, thuat hung, thuat ung
doi chieu » doc hieu, doi chi, mot chieu
doc thuat » hoc thuat, dich thuat, doc chat
xung cong » xuong cong, dung cong, luong cong
cong lang » cong vang, cong luong, cong quang
lang phan » nang phan, lang thang, lang phong

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 (toc thieu)) sach - than doc thuat xung cong lang phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (toc thieu)) sach - than doc thuat xung cong lang phan tu".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (toc thieu)) sach - than doc thuat xung cong lang phan tu*.