Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
doi lieu » duoc lieu, doi chieu, du lieu
cong dan » cong san, cong tan, huong dan
hang tai » hang va, dung tai
han tai » nhan tai, van tai, toan tai

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

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