Perhaps you should try some spelling variations:
thong hinh » thong chinh, thong minh, hong hinh
chua xang » chua nang, chuc nang, chua dong
tang luan » dung luan
luan toan » luan hoan, xuan toan, luan thanh
hinh toan » tinh toan, thanh toan, trinh toan
chu bang » thu bang, chuc nang, chu quang
anh tang » anh bang, anh dang, anh nang
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chua xang) or (chu bang)) - anh tang luan toan thong hinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chu bang)) - anh tang luan toan thong hinh toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chu bang)) - anh tang luan toan thong hinh toan tap*.