Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, hanh trang, nhanh chong
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
ho chieu » theo chieu, hoc thieu, mot chieu

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

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