Perhaps you should try some spelling variations:
hanh hang » thanh hang, hang hang, hanh han
thanh lap » thanh san, phan lap, thanh hai
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cong van » cong vang, song van, cong tan
cong san » cong tac
than cau » toan cau, phan cau, than cap

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 sach - hanh hang va nhung ((cong van) OR (cong san)) ((than cau) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - hanh hang va nhung ((cong van) OR (cong san)) ((than cau) OR (thanh lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - hanh hang va nhung ((cong van) OR (cong san)) ((than cau) or (thanh lap))".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh hang va nhung ((cong van) OR (cong san)) ((than cau) or (thanh lap))*.