Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, canh tranh, hanh trinh
hoc chinh » hoan chinh, hoc sinh, hoc kinh
hanh tang » anh tang, hanh tung, nhanh thang
hanh mang » nhanh mang, nhanh lang, thanh hang
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
gian nan » gian dan, gian lan, gian van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - ((hanh tang) or (((hanh mang) OR (hanh trang)))) cua nhung cong dan gian nan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - ((hanh tang) OR (((hanh mang) OR (hanh trang)))) cua nhung cong dan gian nan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - ((hanh tang) or (((hanh mang) OR (hanh trang)))) cua nhung cong dan gian nan".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - ((hanh tang) or (((hanh mang) OR (hanh trang)))) cua nhung cong dan gian nan*.