Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
trong tinh » truong tinh, trong kinh, trong sinh
chua xang » chua nang, chuc nang, chu bang
cua dung » cua dang, cua dong, cua rung
qua dung » quang dung, su dung, qua song
toan cao » toan ban, toan tap
chu van » cuu van, chu han

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu van) or (chua xang)) - thanh thang ((cua dung) OR (qua dung)) trong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu van) OR (chua xang)) - thanh thang ((cua dung) OR (qua dung)) trong tinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu van) or (chua xang)) - thanh thang ((cua dung) OR (qua dung)) trong tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu van) or (chua xang)) - thanh thang ((cua dung) OR (qua dung)) trong tinh toan cao*.