Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh trinh » canh tranh, hanh chinh
trong doan » trong doanh, trong dan, trong hoan
trinh qua » trinh quan, trinh cua, trinh quang
ho thien » nho thien, ho thiet, ho tien
qua dung » quang dung, su dung, qua song
doan van » doan va, hoang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thien hach - hanh trinh qua dung trong doan van ban~.
• Adding a wildcard symbol may retrieve word variants: ho thien hach - hanh trinh qua dung trong doan van ban*.