Perhaps you should try some spelling variations:
trong luong » trong tuong, thuong luong, trong thuong
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan trong » gian trong
luong tai » dung tai, luong va
ho chieu » theo chieu, hoc thieu, doi chieu
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: ((ho chieu) or (toc thieu)) tinh - hanh trinh quan trong luong tai toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (toc thieu)) tinh - hanh trinh quan trong luong tai toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (toc thieu)) tinh - hanh trinh quan trong luong tai toan ban*.