Perhaps you should try some spelling variations:
thanh tung » thanh cong
lang trong » dung trong, cong trong, dong trong
phat tinh » phap tinh, phat minh, pha tinh
tung tuan » trung tuan, hung tuan, quang tuan
tuan lang » quan lang, tuan bang, tuan dang
trong san » trong cac, cong san, dong san
hoc phat » hoc phan, hoc pho
san chan » san chang, dan chan, san chay
chan tap » han tap, phan tap, chan ta

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc phat tinh - thanh tung tuan lang trong san chan tap~.
• Adding a wildcard symbol may retrieve word variants: hoc phat tinh - thanh tung tuan lang trong san chan tap*.