Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
trinh han » trinh quan
san than » sang than, san thanh, van than
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - hanh ((trinh cua) or (trinh han)) nhung cong ((san than) OR (ban than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh ((trinh cua) OR (trinh han)) nhung cong ((san than) OR (ban than)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - hanh ((trinh cua) or (trinh han)) nhung cong ((san than) OR (ban than)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((trinh cua) or (trinh han)) nhung cong ((san than) OR (ban than)) ban*.