Perhaps you should try some spelling variations:
trinh nang » tinh nang, trinh bang, trinh mang
kien soat » kiem soat, bien soan, kien hoa
nang quan » ban quan, nang suat
luan kien » xuan kien, quan kien, tuan kien
luan lien » lua lien, luan len, quang lien
van kien » van tien, van hien, van chien
tin » tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung luan van kien soat ) or ( trinh nang quan ((luan kien) OR (luan lien)) soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung luan van kien soat ) OR ( trinh nang quan ((luan kien) OR (luan lien)) soat )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tin dung luan van kien soat ) or ( trinh nang quan ((luan kien) OR (luan lien)) soat ))".
• Adding a wildcard symbol may retrieve word variants: (( tin dung luan van kien soat ) or ( trinh nang quan ((luan kien) OR (luan lien)) soat ))*.