Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
doi lieu » duoc lieu, doi chieu, du lieu
manh cua » doanh cua, ban cua
cong san » cong tac
toan cau » 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: doi lieu tinh - hanh manh cua nhung ((huong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - hanh manh cua nhung ((huong dan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - hanh manh cua nhung ((huong dan) or (cong san)) toan cau*.