Perhaps you should try some spelling variations:
thuoc sinh » hoc sinh, thuoc sach
thuat lanh » thuat lap, thuat san
thu sinh » thu minh, thu kinh, phau sinh
hanh lai » hanh lam, hanh tai, thanh lap
chau tre » chay tren, chau tho, cho tre
lanh xa » lang xa, lanh va, canh xa
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sinh) OR (thuoc sinh)) thuat lanh xa hoi. lieu va cam duc va hanh lai chau tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sinh) OR (thuoc sinh)) thuat lanh xa hoi. lieu va cam duc va hanh lai chau tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sinh) OR (thuoc sinh)) thuat lanh xa hoi. lieu va cam duc va hanh lai chau tre*.