Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hoc chieu » ho chieu, hoc dieu, hoc thiet
hoc thieu » toc thieu
trung dap » trung cap, trung dai, trung dam
dung cong » dung trong
dap dung » ap dung, dan dung, dap ung
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan ban » can ban, chat ban, chan nan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((hoc chieu) or (hoc hien))) or (hoc thieu)) sach - hanh trung dap dung cong dan chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc chieu) OR (hoc hien))) OR (hoc thieu)) sach - hanh trung dap dung cong dan chan ban.
• Adding a wildcard symbol may retrieve word variants: ((((hoc chieu) or (hoc hien))) or (hoc thieu)) sach - hanh trung dap dung cong dan chan ban*.