Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoan chinh » hanh chinh
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
ho chinh » hoc chinh, cho chinh, hoa chinh
hoa hinh » hoa sinh, hoa binh, mo hinh
cong anh » cong danh, dong anh, hong anh
tuan tai » toan tai, quan tai, tan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chinh) or (((hoan chinh) OR (hoa hinh)))) sach - canh tranh cua thong cong anh tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chinh) OR (((hoan chinh) OR (hoa hinh)))) sach - canh tranh cua thong cong anh tuan tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chinh) or (((hoan chinh) OR (hoa hinh)))) sach - canh tranh cua thong cong anh tuan tai".
• Adding a wildcard symbol may retrieve word variants: ((ho chinh) or (((hoan chinh) OR (hoa hinh)))) sach - canh tranh cua thong cong anh tuan tai*.