Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
ha tinh » va tinh, may tinh
ho ha » pho ha, ho hap, o ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ha tinh - hanh trinh luat ((nhung cong) or (dung cong)) tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ha tinh - hanh trinh luat ((nhung cong) OR (dung cong)) tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ha tinh - hanh trinh luat ((nhung cong) or (dung cong)) tan toan cao*.