Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thong dang » thong dung, thong mang, thong nang
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
thong dan » thong van, tuong dan, thong den
van thanh » ban thanh
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - hanh trinh luat ((thong dang) OR (thong dan)) ((van thanh) or (van tuan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hanh trinh luat ((thong dang) OR (thong dan)) ((van thanh) OR (van tuan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu lang - hanh trinh luat ((thong dang) OR (thong dan)) ((van thanh) or (van tuan)) tap".
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh trinh luat ((thong dang) OR (thong dan)) ((van thanh) or (van tuan)) tap*.