Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cang » nhung cong, nhung lang, nhung bang
hoc thieu » toc thieu, hoc hien
dap nhung » vap nhung, va nhung, dap ung
ho chieu » theo chieu, doi chieu, mot chieu
tung dap » tung dan, trung dai, tuong dan
cang tan » cong tan, cung tan, tang tan
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) sach - thanh tung dap nhung cang tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - thanh tung dap nhung cang tan van ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - thanh tung dap nhung cang tan van ban*.