Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
ho chieu » theo chieu, doi chieu, mot chieu
mang cua » manh cua, dung cua, ban cua
ban cong » bang cong, van cong, phan cong
cong san » cong tac
toan cao » toan tap
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)) xanh - hanh mang cua ban cong san ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - hanh mang cua ban cong san ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - hanh mang cua ban cong san ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - hanh mang cua ban cong san ((toan cao) OR (toan ban))*.