Perhaps you should try some spelling variations:
truong trung » tieng trung
canh trinh » canh tranh, hanh trinh, canh tinh
hoc thieu » toc thieu, hoc hien
trong cap » trung cap, trong cac, trong ca
ho chieu » theo chieu, doi chieu, mot chieu
cap phan » cac phan, cao phan, cap han
phan cac » nhan cach, phan dau, phan lap

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 trinh ((quang trung) OR (truong trung)) trong cap phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - canh trinh ((quang trung) OR (truong trung)) trong cap phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - canh trinh ((quang trung) OR (truong trung)) trong cap phan cac".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - canh trinh ((quang trung) OR (truong trung)) trong cap phan cac*.