Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hanh trinh » canh tranh, hanh chinh
hien hanh » dieu hanh
ve phuong » va phuong, ve phong, le phuong
ton hien » ton thien, don hien, thong hien
trinh ve » trinh he, trinh va, trinh vi
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ton hien hanh - hanh trinh ve phuong cong ((van tan) or (((dan than) or (dan chan)))) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ton hien hanh - hanh trinh ve phuong cong ((van tan) OR (((dan than) OR (dan chan)))) tap.
• Adding a wildcard symbol may retrieve word variants: ton hien hanh - hanh trinh ve phuong cong ((van tan) or (((dan than) or (dan chan)))) tap*.