Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
thanh cau » thanh chau, thanh mau, nhanh cau
cong tan » cong tac, cong san, cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (lieu tinh)) - hanh trinh cua nhung ((cong tan) OR (cong thanh)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (lieu tinh)) - hanh trinh cua nhung ((cong tan) OR (cong thanh)) thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (lieu tinh)) - hanh trinh cua nhung ((cong tan) OR (cong thanh)) thanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (lieu tinh)) - hanh trinh cua nhung ((cong tan) OR (cong thanh)) thanh cau*.