Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chong phap » phuong phap
hanh hang » thanh hang, hang hang, hanh han
cua thong » cua thuong, cua khong, cua tong
tac chong » cac chuong, cac cong, cac chung
chi danh » chi dan, chi anh, chi dinh
hang cua » mang cua, hang ca, huong cua
cong tac » cong ty
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi danh - hanh hang cua thong cong tac chong phap~.
• Adding a wildcard symbol may retrieve word variants: doi chi danh - hanh hang cua thong cong tac chong phap*.