Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hung luong » hung vuong, dung luong, hung cuong
hang luong » nang luong, hoang vuong, thang long
trinh han » trinh quan
theo cuu » theo chu, khao cuu, thao cua
tai toan » bai toan, tap toan, tai tuan
toan ban » van 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 cuu tinh - hanh trinh han ((hung luong) or (((hang luong) OR (hang thuong)))) tai toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo cuu tinh - hanh trinh han ((hung luong) OR (((hang luong) OR (hang thuong)))) tai toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo cuu tinh - hanh trinh han ((hung luong) or (((hang luong) OR (hang thuong)))) tai toan ban".
• Adding a wildcard symbol may retrieve word variants: theo cuu tinh - hanh trinh han ((hung luong) or (((hang luong) OR (hang thuong)))) tai toan ban*.