Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
hanh trinh » canh tranh, hanh chinh
quan lang » quan hoang, gian lang, quan luan
lang cong » dang cong, bang cong, hang cong
cong toan » cong tan, cong hoan, cong tuan
khoan cam » khoa cam, khoan va, thuan cam
phan cam » phan cac, phan cau, phan cang
ho va » ho van, tho va, cho va

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

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