Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thiet » hoc thieu, hoc thuyet, toc thieu
hanh sinh » hanh tinh, hanh dinh, hinh sinh
cua thong » cua thuong, cua khong, cua tong
dan thanh » dang thanh, danh thanh, ban thanh
thanh cac » hanh cac, thanh bac, thanh ca
sinh cua » manh cua, dinh cuu, sinh va
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thiet) or (hoc hien)) anh - hanh sinh cua thong cong dan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thiet) OR (hoc hien)) anh - hanh sinh cua thong cong dan thanh cac.
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) or (hoc hien)) anh - hanh sinh cua thong cong dan thanh cac*.