Perhaps you should try some spelling variations:
nnhanh lang » nhan lang, nhanh mang
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
cua trong » cua truong, cua trung, qua trong
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu tinh - ((nhanh lang) or (nnhanh lang)) cua trong cong dan ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - ((nhanh lang) OR (nnhanh lang)) cua trong cong dan ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - ((nhanh lang) or (nnhanh lang)) cua trong cong dan ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((nhanh lang) or (nnhanh lang)) cua trong cong dan ((toan cao) OR (toan ban))*.