Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
thien hach » thien thanh
thang dong » thang long, tang dong, thanh dong
bang thanh » ban thanh, dang thanh, tang thanh
hien hanh » dieu hanh
thong nam » thong xay, dong nam, thong va
nam thang » nam thanh, tam than, nam trong
bang than » ban than, sang than, bang nhan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thien hach) or (hien hanh)) - thanh thong nam thang dong ((bang than) OR (bang thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thien hach) OR (hien hanh)) - thanh thong nam thang dong ((bang than) OR (bang thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thien hach) or (hien hanh)) - thanh thong nam thang dong ((bang than) OR (bang thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: toc ((thien hach) or (hien hanh)) - thanh thong nam thang dong ((bang than) OR (bang thanh)) cau*.