Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cong thanh » dong thanh, cong trinh, truong thanh
kieu tinh » lieu tinh, trieu tinh, diep tinh
cua thong » cua thuong, cua khong, suat thong
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong ty
toan tap » toan ban
ho kieu » ho lieu, so kieu, thi kieu

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

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