Perhaps you should try some spelling variations:
phuong tinh » phuong trinh, phuong binh, khuong tinh
theo chieu » theo tieu, ho chieu, theo chu
hanh tranh » canh tranh, hanh trinh, hanh trang
chu phuong » cuu phuong, thu phuong, cau phuong
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
toan tap » toan ban
cua chu » sua chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (((theo chieu) or (hoc thieu)))) sang - hanh tranh cua chu phuong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (((theo chieu) OR (hoc thieu)))) sang - hanh tranh cua chu phuong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (((theo chieu) or (hoc thieu)))) sang - hanh tranh cua chu phuong tinh toan tap*.