Perhaps you should try some spelling variations:
hanh trich » hanh thich, khanh trach, thanh trinh
hanh trinh » canh tranh, hanh chinh
xuat trong » xuat truong, xuat thong, luat trong
cong tinh » cong trinh, cong vinh, long tinh
toan ban » van ban
ho chau » ho chu, o chau, khoa chau
ha chau » hat chau, a chau, lai chau

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

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