Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
theo trieu » theo tieu, theo chieu, thep tieu
tang luan » dung luan
luong tai » dung tai, luong va
tang cua » mang cua, hang cua, thong cua
tai toan » bai toan, tap toan, tai tuan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo trieu tinh - hanh ((tang cua) OR (tang luan)) nhung luong tai toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo trieu tinh - hanh ((tang cua) OR (tang luan)) nhung luong tai toan cau".
• Adding a wildcard symbol may retrieve word variants: theo trieu tinh - hanh ((tang cua) OR (tang luan)) nhung luong tai toan cau*.