Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
cua trong » cua truong, cua trung, ca trong
qua trong » quan trong, qua trinh, qua song
cong luan » tong luan, cong tuan, dong luan
anh tang » anh bang, anh dang, anh nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (thien anh)) - anh tang ((cua trong) or (qua trong)) cong luan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - anh tang ((cua trong) OR (qua trong)) cong luan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - anh tang ((cua trong) or (qua trong)) cong luan van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - anh tang ((cua trong) or (qua trong)) cong luan van ban*.