Perhaps you should try some spelling variations:
lang thang » cang thang, dang thanh, hung thang
hoc thieu » toc thieu, hoc hien
hang hang » nang hang, cang thang, hung thang
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
va bang » va nang, va lang, va ban

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 - ((hang hang) or (lang thang)) va bang cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - ((hang hang) OR (lang thang)) va bang cong dan than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) xanh - ((hang hang) or (lang thang)) va bang cong dan than cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) xanh - ((hang hang) or (lang thang)) va bang cong dan than cao*.