Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh tranh » canh tranh, hanh trang, lanh tranh
cua nhung » va nhung
cong tinh » cong vinh, long tinh, cong thanh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
toan tap » toan ban

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

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