Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
dien sach » dien anh
manh hung » anh huong
tong cong » trong cong, cong cong, dung cong
cong tinh » cong trinh, cong vinh, long tinh
thu dien » tu dien, thu hien, thu dieu
cua tong » cua cong, cua dong, cua nong
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu dien sach - ((manh hung) or (hanh trinh)) cua tong cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu dien sach - ((manh hung) OR (hanh trinh)) cua tong cong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: thu dien sach - ((manh hung) or (hanh trinh)) cua tong cong tinh toan tap*.