Perhaps you should try some spelling variations:
thang hoang » thanh hoang, thong hoang, thang long
toan thang » toan thong, thanh thang, tran thanh
hoang dung » hoang tung, hoang vuong, thong dung
ho chieu » theo chieu, hoc thieu, mot chieu
dung dan » dung dat, dung san, tung dan
dan phan » doan phan, dan chan, van phan

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 (theo tieu)) sach - tinh toan thang hoang dung dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) sach - tinh toan thang hoang dung dan phan tu.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) sach - tinh toan thang hoang dung dan phan tu*.