Perhaps you should try some spelling variations:
phuong dan » phuong danh, phuong doan, huong dan
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
canh ban » can ban, canh dan, canh van
cua thoi » cua toi, cua khoi, cua tho
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
cua hoi » cua moi

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 (hoc thieu)) xanh - canh ban ((cua thoi) OR (cua hoi)) phuong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - canh ban ((cua thoi) OR (cua hoi)) phuong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - canh ban ((cua thoi) OR (cua hoi)) phuong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - canh ban ((cua thoi) OR (cua hoi)) phuong dan toan cau*.