Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu nganh » vien nganh, hiem ngan, hieu manh
trinh han » trinh quan
dung cong » dung trong
tan thanh » tran thanh, tang thanh, toan thanh
thanh dat » thanh san, thanh hai, thanh van
kim ngan » kim ngoc
han dung » chan dung, han duong, hanh dung
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu nganh) or (kim ngan)) - hanh trinh han dung cong tan thanh dat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu nganh) OR (kim ngan)) - hanh trinh han dung cong tan thanh dat*.