Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((chieu tinh) OR (lieu tinh)) - canh manh cua nhung ((huong dan) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu tinh) OR (lieu tinh)) - canh manh cua nhung ((huong dan) OR (cong tan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((chieu tinh) OR (lieu tinh)) - canh manh cua nhung ((huong dan) or (cong tan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: toc ((chieu tinh) OR (lieu tinh)) - canh manh cua nhung ((huong dan) or (cong tan)) toan cao*.