Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
tang thanh » dang thanh, trung thanh, hoang thanh
tieu tinh » trieu tinh, tieu trinh, lieu tinh
quan dang » quang dang, quan lang, quan dong
dang cong » dung cong
lang toan » lang thang, lang thanh, quang toan
dang toan » dang tran, dan toan, dung toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - hanh trinh quan dang cong ((((lang toan) OR (dang toan))) or (tang thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh trinh quan dang cong ((((lang toan) OR (dang toan))) OR (tang thanh)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - hanh trinh quan dang cong ((((lang toan) OR (dang toan))) or (tang thanh)) cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh trinh quan dang cong ((((lang toan) OR (dang toan))) or (tang thanh)) cao*.