Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
ban cong » bang cong, van cong, phan cong
cong san » cong tac
ranh cau » danh cau, trinh cau, canh chau
ho lieu » so lieu, co lieu, ho kieu
ran cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - canh manh cua ban cong san ((ranh cau) or (ran cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh manh cua ban cong san ((ranh cau) OR (ran cau)).
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh manh cua ban cong san ((ranh cau) or (ran cau))*.