Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
ban huong » bang phuong, ban hang, anh huong
manh toan » thanh toan, anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
luan ban » luan van, luan san, luan han
van tan » van tuan, van ban, van thanh
van tai » von tai, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu tinh - hanh tang luan ban huong ((manh toan) or (((van tan) OR (van tai)))) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tinh - hanh tang luan ban huong ((manh toan) OR (((van tan) OR (van tai)))) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu tinh - hanh tang luan ban huong ((manh toan) or (((van tan) OR (van tai)))) tap".
• Adding a wildcard symbol may retrieve word variants: theo chu tinh - hanh tang luan ban huong ((manh toan) or (((van tan) OR (van tai)))) tap*.