Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh chan » trinh chuan, trinh han, trinh phan
hoc thieu » toc thieu, hoc hien
chan dung » van dung, dan dung
dung cong » dung trong
ho chieu » theo chieu, doi chieu, mot chieu
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
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 (hoc thieu)) tinh - hanh trinh chan dung cong san ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - hanh trinh chan dung cong san ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) tinh - hanh trinh chan dung cong san ((toan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) tinh - hanh trinh chan dung cong san ((toan cau) or (toan ban))*.